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143 lines
7.1 KiB
Rust
143 lines
7.1 KiB
Rust
use crate::configs::java::JavaConfig;
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use crate::formatter::StringFormatter;
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use super::{Context, Module, RootModuleConfig};
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use crate::modules::utils::java_version_parser;
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use crate::utils;
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/// Creates a module with the current Java version
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///
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/// Will display the Java version if any of the following criteria are met:
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/// - Current directory contains a file with a `.java`, `.class`, `.gradle` or `.jar` extension
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/// - Current directory contains a `pom.xml`, `build.gradle.kts`, `build.sbt` or `.java-version` file
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pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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let is_java_project = context
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.try_begin_scan()?
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.set_files(&["pom.xml", "build.gradle.kts", "build.sbt", ".java-version"])
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.set_extensions(&["java", "class", "jar", "gradle"])
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.is_match();
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if !is_java_project {
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return None;
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}
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match get_java_version() {
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Some(java_version) => {
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let mut module = context.new_module("java");
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let config: JavaConfig = JavaConfig::try_load(module.config);
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let formatted_version = format_java_version(java_version)?;
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let parsed = StringFormatter::new(config.format).and_then(|formatter| {
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formatter
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.map_meta(|var, _| match var {
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"symbol" => Some(config.symbol),
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_ => None,
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})
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.map_style(|variable| match variable {
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"style" => Some(Ok(config.style)),
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_ => None,
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})
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.map(|variable| match variable {
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"version" => Some(Ok(&formatted_version)),
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_ => None,
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})
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.parse(None)
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});
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module.set_segments(match parsed {
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Ok(segments) => segments,
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Err(error) => {
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log::warn!("Error in module `java`:\n{}", error);
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return None;
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}
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});
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Some(module)
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}
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None => None,
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}
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}
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fn get_java_version() -> Option<String> {
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let java_command = match std::env::var("JAVA_HOME") {
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Ok(java_home) => format!("{}/bin/java", java_home),
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Err(_) => String::from("java"),
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};
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let output = utils::exec_cmd(&java_command.as_str(), &["-Xinternalversion"])?;
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Some(format!("{}{}", output.stdout, output.stderr))
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}
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/// Extract the java version from `java_out`.
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fn format_java_version(java_out: String) -> Option<String> {
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java_version_parser::parse_jre_version(&java_out).map(|result| format!("v{}", result))
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_format_java_version_openjdk() {
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let java_8 = String::from("OpenJDK 64-Bit Server VM (25.222-b10) for linux-amd64 JRE (1.8.0_222-b10), built on Jul 11 2019 10:18:43 by \"openjdk\" with gcc 4.4.7 20120313 (Red Hat 4.4.7-23)");
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let java_11 = String::from("OpenJDK 64-Bit Server VM (11.0.4+11-post-Ubuntu-1ubuntu219.04) for linux-amd64 JRE (11.0.4+11-post-Ubuntu-1ubuntu219.04), built on Jul 18 2019 18:21:46 by \"build\" with gcc 8.3.0");
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assert_eq!(format_java_version(java_11), Some(String::from("v11.0.4")));
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assert_eq!(format_java_version(java_8), Some(String::from("v1.8.0")));
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}
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#[test]
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fn test_format_java_version_oracle() {
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let java_8 = String::from("Java HotSpot(TM) Client VM (25.65-b01) for linux-arm-vfp-hflt JRE (1.8.0_65-b17), built on Oct 6 2015 16:19:04 by \"java_re\" with gcc 4.7.2 20120910 (prerelease)");
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assert_eq!(format_java_version(java_8), Some(String::from("v1.8.0")));
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}
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#[test]
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fn test_format_java_version_redhat() {
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let java_8 = String::from("OpenJDK 64-Bit Server VM (25.222-b10) for linux-amd64 JRE (1.8.0_222-b10), built on Jul 11 2019 20:48:53 by \"root\" with gcc 7.3.1 20180303 (Red Hat 7.3.1-5)");
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let java_12 = String::from("OpenJDK 64-Bit Server VM (12.0.2+10) for linux-amd64 JRE (12.0.2+10), built on Jul 18 2019 14:41:47 by \"jenkins\" with gcc 7.3.1 20180303 (Red Hat 7.3.1-5)");
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assert_eq!(format_java_version(java_8), Some(String::from("v1.8.0")));
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assert_eq!(format_java_version(java_12), Some(String::from("v12.0.2")));
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}
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#[test]
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fn test_format_java_version_zulu() {
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let java_8 = String::from("OpenJDK 64-Bit Server VM (25.222-b10) for linux-amd64 JRE (Zulu 8.40.0.25-CA-linux64) (1.8.0_222-b10), built on Jul 11 2019 11:36:39 by \"zulu_re\" with gcc 4.4.7 20120313 (Red Hat 4.4.7-3)");
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let java_11 = String::from("OpenJDK 64-Bit Server VM (11.0.4+11-LTS) for linux-amd64 JRE (Zulu11.33+15-CA) (11.0.4+11-LTS), built on Jul 11 2019 21:37:17 by \"zulu_re\" with gcc 4.9.2 20150212 (Red Hat 4.9.2-6)");
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assert_eq!(format_java_version(java_8), Some(String::from("v1.8.0")));
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assert_eq!(format_java_version(java_11), Some(String::from("v11.0.4")));
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}
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#[test]
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fn test_format_java_version_eclipse_openj9() {
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let java_8 = String::from("Eclipse OpenJ9 OpenJDK 64-bit Server VM (1.8.0_222-b10) from linux-amd64 JRE with Extensions for OpenJDK for Eclipse OpenJ9 8.0.222.0, built on Jul 17 2019 21:29:18 by jenkins with g++ (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)");
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let java_11 = String::from("Eclipse OpenJ9 OpenJDK 64-bit Server VM (11.0.4+11) from linux-amd64 JRE with Extensions for OpenJDK for Eclipse OpenJ9 11.0.4.0, built on Jul 17 2019 21:51:37 by jenkins with g++ (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)");
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assert_eq!(format_java_version(java_8), Some(String::from("v1.8.0")));
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assert_eq!(format_java_version(java_11), Some(String::from("v11.0.4")));
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}
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#[test]
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fn test_format_java_version_graalvm() {
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let java_8 = String::from("OpenJDK 64-Bit GraalVM CE 19.2.0.1 (25.222-b08-jvmci-19.2-b02) for linux-amd64 JRE (8u222), built on Jul 19 2019 17:37:13 by \"buildslave\" with gcc 7.3.0");
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assert_eq!(format_java_version(java_8), Some(String::from("v8")));
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}
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#[test]
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fn test_format_java_version_amazon_corretto() {
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let java_8 = String::from("OpenJDK 64-Bit Server VM (25.222-b10) for linux-amd64 JRE (1.8.0_222-b10), built on Jul 11 2019 20:48:53 by \"root\" with gcc 7.3.1 20180303 (Red Hat 7.3.1-5)");
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let java_11 = String::from("OpenJDK 64-Bit Server VM (11.0.4+11-LTS) for linux-amd64 JRE (11.0.4+11-LTS), built on Jul 11 2019 20:06:11 by \"\" with gcc 7.3.1 20180303 (Red Hat 7.3.1-5)");
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assert_eq!(format_java_version(java_8), Some(String::from("v1.8.0")));
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assert_eq!(format_java_version(java_11), Some(String::from("v11.0.4")));
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}
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#[test]
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fn test_format_java_version_sapmachine() {
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let java_11 = String::from("OpenJDK 64-Bit Server VM (11.0.4+11-LTS-sapmachine) for linux-amd64 JRE (11.0.4+11-LTS-sapmachine), built on Jul 17 2019 08:58:43 by \"\" with gcc 7.3.0");
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assert_eq!(format_java_version(java_11), Some(String::from("v11.0.4")));
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}
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#[test]
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fn test_format_java_version_unknown() {
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let unknown_jre = String::from("Unknown JRE");
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assert_eq!(format_java_version(unknown_jre), None);
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}
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}
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